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Composites of Carbon Filaments Made from Methane

Published online by Cambridge University Press:  14 March 2011

Xiaoping Shui ,
Xuli Fu ,
Martin Segiet  and
D.D.L. Chung
Xiaoping Shui
Affiliation:
Composite Materials Research Laboratory, University at Buffalo, The State University of New York, Buffalo, NY 14260-4400, U.S.A.
Xuli Fu
Affiliation:
Composite Materials Research Laboratory, University at Buffalo, The State University of New York, Buffalo, NY 14260-4400, U.S.A.
Martin Segiet
Affiliation:
Composite Materials Research Laboratory, University at Buffalo, The State University of New York, Buffalo, NY 14260-4400, U.S.A.
D.D.L. Chung
Affiliation:
Composite Materials Research Laboratory, University at Buffalo, The State University of New York, Buffalo, NY 14260-4400, U.S.A.
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Abstract

Polymer-matrix and cement-matrix structural composites containing discontinuous carbon filaments (diameter = 0.1 μm) that were made catalytically from methane were developed for structural and electromagnetic functions. The composites were particularly attractive for electromagnetic interference shielding and radio wave reflection, due to the skin effect and the small diameter of the filaments. Coating the filaments with nickel by electroplating further enhanced the electromagnetic performance. However, the composites were not attractive for structural functions other than vibration damping, due to the large amount of interface between the filaments and the matrix. An effective configuration for the damping function involved using the filaments as an additive between the laminae of continuous conventional carbon fibers in a polymer-matrix structural composite.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 702: Symposium U – Advanced Fibers, Plastics, Laminates and Composites , 2001 , U10.1.1
Copyright
Copyright © Materials Research Society 2002

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